Understanding thickness-dependent charge transport in pentacene transistors by low-frequency noise

Yong Xu, Chuan Liu, William Scheideler, Songlin Li, Wenwu Li, Yen Fu Lin, Francis Balestra, Gerard Ghibaudo, Kazuhito Tsukagoshi

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


Close correlation between low-frequency noise and charge transport in pentacene transistors is observed. The trap density evolving with pentacene deposition reveals transformation of growth phase and different transport mechanisms. It explains the greatly altered mobility and contact resistance in which the upper surface's trapping plays an important role. Inspecting contact noise shows high density of traps at contacts that result possibly from pyramid like growth of pentacene or contact damage or both.

Original languageEnglish
Article number6594865
Pages (from-to)1298-1300
Number of pages3
JournalIEEE Electron Device Letters
Issue number10
Publication statusPublished - 2013
Externally publishedYes


  • Contact resistance
  • film thickness
  • low-frequency noise (LFN)
  • mobility
  • organic transistors
  • pentacene
  • traps

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering


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